Comsys Holdings Corp is a Japan-based company mainly engaged in the telecommunications carrier, information technology (IT) solutions, and social systems-related business. The Company has eight business segments. The Nippon COMSYS Group segment is engaged in the construction of telecommunications facilities focusing on Nippon Telegraph and Telephone Corporation (NTT) group. The SANWA COMSYS Engineering Group segment is engaged in the construction of telecommunications facilities focusing on new common carriers (NCCs). The TOSYS Group segment, TSUKEN Group segment, NDS Group segment, SYSKEN Group segment and Hokuriku Denwa Kouji Group segment are engaged in the telecommunications facility construction business in the Shinetsu, the Hokkaido, the Tokai and Hokuriku, the Kyushu and the Hokuriku areas. The COMSYS JOHO SYSTEM Group segment is engaged in the information processing business. The Company is also engaged in the staffing business and the shared service business.